FIELD: process engineering.
SUBSTANCE: invention relates to appliances intended for marking metal articles for verifying legality of their production. Coded message is produced on metal article surface by laser local heating source. Note here that prints consisting of nanostructures of oxides of metal elements to be red by aforesaid reader. Coding is performed in binary system based on availability (1) or absence (0) of aforesaid print. Information is coded by compiling private tables on the basis of IBM coding. Note here that generation of coded message is controlled by computer proceeding from pre-calculated parameters of effects. Said parameters are calculated by adduced laws.
EFFECT: larger volume of stored data during entire life under extreme operating conditions.
5 cl, 2 tbl
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|---|---|---|---|
| COMPOSITE MARK | 2009 |
|
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| COMPOSITE MARK | 2008 |
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